CA1095780A - Device for securing a load on a vehicle - Google Patents
Device for securing a load on a vehicleInfo
- Publication number
- CA1095780A CA1095780A CA302,823A CA302823A CA1095780A CA 1095780 A CA1095780 A CA 1095780A CA 302823 A CA302823 A CA 302823A CA 1095780 A CA1095780 A CA 1095780A
- Authority
- CA
- Canada
- Prior art keywords
- expansion
- frame
- load
- tensioning arms
- arms
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
- B60P7/00—Securing or covering of load on vehicles
- B60P7/06—Securing of load
- B60P7/08—Securing to the vehicle floor or sides
- B60P7/0823—Straps; Tighteners
Abstract
ABSTRACT OF THE DISCLOSURE
A device adapted to be mounted or incorporated in a load carrying vehicle for securely anchoring a load thereto. The device includes a jacking member connected to a balance arm for moving the same and a pair of lever arms pivotally anchorable at one end relative to the frame of the vehicle and having their free outer ends swingable in an arc about their pivotable anchorage by way of the jacking member. Means are provided for connecting anchor lines to respective ones of the lever arms adjacent the free outer ends of the lever arms and means connecting the balance arm to respective ones of the lever arms at a position between opposite ends thereof and on opposite sides of the jacking member.
A device adapted to be mounted or incorporated in a load carrying vehicle for securely anchoring a load thereto. The device includes a jacking member connected to a balance arm for moving the same and a pair of lever arms pivotally anchorable at one end relative to the frame of the vehicle and having their free outer ends swingable in an arc about their pivotable anchorage by way of the jacking member. Means are provided for connecting anchor lines to respective ones of the lever arms adjacent the free outer ends of the lever arms and means connecting the balance arm to respective ones of the lever arms at a position between opposite ends thereof and on opposite sides of the jacking member.
Description
10957~3~
This invention relates generally to a device for securing a load on a load-carrying vehicle on which a plurality of chains, wires, ropes or the like (referred to herein as anchor lines) are attached to one side of the load or the vehicle and are passed over the load to the other side of the vehicle, relative to which the frame of the device is fixed, the said device comprising an expandable bellows or similar movable device, which in its movement is arranged to move an arm or the like connected to the bellows.
A device of the foregoing general type is known through, for example, Swedish patent No. 323,895 and functions admirably. The dis-advantage of this prior art device is~ however, that it is only able to tension one anchor line.
The demand currently imposed by road authorities stipulates two bindings for each pile of timber. On a normal timber-carrying rig, with two piles on the tractor and one on the trailer, six devices of the type shown iTI the aforesaid Swedish patent will thus be required.
Such a large number of devices necessitates not only ample space beneath the tractor and trailer respectively but also long air lines and a large number of valves to regulate the tension of the respective anchor line. Moreover, the cost for so many devices and their installation will be very high.
This invention relates to an improved embodiment of the device shown in the aforesaid patent enabling at least two anchor lines to be tensioned individually with a single device without appreciably increasing the cos~ of the device or the installation.
Thus, by one aspect of this invention there is provided a device for securing a load on a load-carrying vehicle comprising:
a frame attached to said load-carrying vehicle;
. ~ ~
~09S'7~
expansion means mounted to said frame, said expansion means having at least one expansion member which is movable relative to said frame;
a plurality of tensioning arms, said tensioning arms each having first and second ends, each of said plurality of tensioning arms being hingedly mounted to said frame substantially near said first ends of said plurality of tensioning arms;
a plurality of elongated colmecting means, each of said elongated connect-ing means having a terminal end and a free end, each of said terminal ends of said plurality of elongated connecting means being attached to a respective one of said plurality of tensioning arms substantially near said second ends of said plurality of tensioning arms;
at least one balance arm having a central portion and first and second end portions, said central portion being pivotally connected to said at least one expansion member of said expansion means, said first and second end portions of said balance arm each being coupled to a respective one of said plurality of tensioning arms;
whereby after passing said plurality of elongated connecting means over a load on said load-carrying vehicle and securing said free ends of said elongated connecting means to said load carrying vehicle, said expansion means is expanded, thereby displacing said at least one balance arm and said plurality of tensioning arms relative to said frame to draw said plurality of elongated connecting means taut and to secure said load to said load-carry-ing vehicle.
A particularly interesting embodiment of the invention for tensioning four chains, etc., individually with the aid of a device is characterized in that also the other end of the expansion member which may be a bellows or the like is guided by the frame and actuates via a joint an additional balance arm which is arranged to actuate via its outer end sections two addi-tional tensioning arms at a distance from their ends, one end of each additional ~1t .
This invention relates generally to a device for securing a load on a load-carrying vehicle on which a plurality of chains, wires, ropes or the like (referred to herein as anchor lines) are attached to one side of the load or the vehicle and are passed over the load to the other side of the vehicle, relative to which the frame of the device is fixed, the said device comprising an expandable bellows or similar movable device, which in its movement is arranged to move an arm or the like connected to the bellows.
A device of the foregoing general type is known through, for example, Swedish patent No. 323,895 and functions admirably. The dis-advantage of this prior art device is~ however, that it is only able to tension one anchor line.
The demand currently imposed by road authorities stipulates two bindings for each pile of timber. On a normal timber-carrying rig, with two piles on the tractor and one on the trailer, six devices of the type shown iTI the aforesaid Swedish patent will thus be required.
Such a large number of devices necessitates not only ample space beneath the tractor and trailer respectively but also long air lines and a large number of valves to regulate the tension of the respective anchor line. Moreover, the cost for so many devices and their installation will be very high.
This invention relates to an improved embodiment of the device shown in the aforesaid patent enabling at least two anchor lines to be tensioned individually with a single device without appreciably increasing the cos~ of the device or the installation.
Thus, by one aspect of this invention there is provided a device for securing a load on a load-carrying vehicle comprising:
a frame attached to said load-carrying vehicle;
. ~ ~
~09S'7~
expansion means mounted to said frame, said expansion means having at least one expansion member which is movable relative to said frame;
a plurality of tensioning arms, said tensioning arms each having first and second ends, each of said plurality of tensioning arms being hingedly mounted to said frame substantially near said first ends of said plurality of tensioning arms;
a plurality of elongated colmecting means, each of said elongated connect-ing means having a terminal end and a free end, each of said terminal ends of said plurality of elongated connecting means being attached to a respective one of said plurality of tensioning arms substantially near said second ends of said plurality of tensioning arms;
at least one balance arm having a central portion and first and second end portions, said central portion being pivotally connected to said at least one expansion member of said expansion means, said first and second end portions of said balance arm each being coupled to a respective one of said plurality of tensioning arms;
whereby after passing said plurality of elongated connecting means over a load on said load-carrying vehicle and securing said free ends of said elongated connecting means to said load carrying vehicle, said expansion means is expanded, thereby displacing said at least one balance arm and said plurality of tensioning arms relative to said frame to draw said plurality of elongated connecting means taut and to secure said load to said load-carry-ing vehicle.
A particularly interesting embodiment of the invention for tensioning four chains, etc., individually with the aid of a device is characterized in that also the other end of the expansion member which may be a bellows or the like is guided by the frame and actuates via a joint an additional balance arm which is arranged to actuate via its outer end sections two addi-tional tensioning arms at a distance from their ends, one end of each additional ~1t .
- 2 -tensioning arm being pivotably connected to the frame and the other appropriately loosenably connectable with additional anchor lines.
Particularly appropriate according to the present invention, moreover, is that each tensioning arm is provided with an individual reverse catch which is arranged to prevent the tensioning arm from moving backO
Further details of the invention will become evident from a study of two embodiments of the invention chosen as examples and illustrated by the accompanying drawings wherein:
Fig. 1 shows a first embodiment of the invention seen in a perspective view;
Fig. 2 shows the same embodiment as in Fig. 1 but in the non-tensioned state and in a side view;
Fig. 3 shows the same embodiment as in Fig. 1 but seen in a direction which is offset 90 in relation to Fig. 2;
Fig.; 4 shows the samething as Fig. 3 but in the tensioned - 2a -~;
.
l~)9S7150 state, and Fig. 5 shows a second embodiment of the invention in the tensioned state.
In a first embodiment of the invention a frame 3, for a device according to the invention, is placed on one side of a vehicle (not shown).
Inside the frame 3 a bellows 1 is disposed with one end attached to the frame 3 and the other end connected via a joint 6 with the central point of a balance arm 2. One end of the bellows 1 i6 guided by a guide pin 7, appropriately running through a hole 8 in the frame 3 in order largely to retain its transverse position when the bellows 1 i9 expanded.
Expansion of the bellows 1 is appropriately provided for through the vehicle's compressed air system (not shown on the drawlngs) but can also be arranged by suitable hydraulic means.
In each end section of the balance arm 2, tensioning arms 4 and 5 respectively are pivotably disposed at a distance from their respective ends on either side of the bellows 1. One end of each tensioning arm 4 and 5 respectively is pivotably attached to the frame 3, the other end being arranged for connection to a chain, rope or the like (generically referred to herein as an anchor line) which largely circumscribes the load on the vehicle.
Each tensioning arm 4 and 5 respectively cooperates with an appurtenant reverse catch 9 and 10 respectively which prevents the tensioning arm from moving back if the bellows 1 should lose its feed.
The reverse catches 9 and 10 can be released with the aid of the moving piston of an air cylinder 11 (not shown on the drawing in connection with arm 4).
The stroke of the tensioning arms 4 and 5 has been chosen at about 50 cm.
5'780 Shown in Fig. l is the first embodiment with a slightly expanded bellows and in Fig. 2 the same embodiment viewed from the side. Figs. 3 and 4 respectively show positions corresponding to those shown in Figs.
1 and 2 but offset 90 in relation to the viewing direction according to Fig. 2 and tensioned.
Shown in Fig. 5 is a second embodiment wherein the expansion of a bellows l tensions four chains or the like individually.
In this embodiment the end of the bellows which is stationary according to Figs. 1, 2, 3 and 4 is executed as a movable end guided by a guide pin 7~ and a hole 8~ and i6 pivotably connected to an additional balance arm 2' which in turn i6 pivotably connected at its respective ends to two additional tensionlng arms 4l and 5~ which are attached to the frame 3 in the same manner as the tensioning arms 4 and 5 and whose free ends are loosenably connectable to two additional chains or the like.
These additional tensioning arms 4' and 5' are also fitted with reverse catches (not shown) to individually lock each tensioning arm in ~he event of loss of feed to the bellows 1.
The present invention is also applicable to the device shown in Swedish patent No. 305,415 and in~tead of a bellows use may naturally be made of other equivalent ~acking devices, for instance, a screw driven by an electric motor.
Particularly appropriate according to the present invention, moreover, is that each tensioning arm is provided with an individual reverse catch which is arranged to prevent the tensioning arm from moving backO
Further details of the invention will become evident from a study of two embodiments of the invention chosen as examples and illustrated by the accompanying drawings wherein:
Fig. 1 shows a first embodiment of the invention seen in a perspective view;
Fig. 2 shows the same embodiment as in Fig. 1 but in the non-tensioned state and in a side view;
Fig. 3 shows the same embodiment as in Fig. 1 but seen in a direction which is offset 90 in relation to Fig. 2;
Fig.; 4 shows the samething as Fig. 3 but in the tensioned - 2a -~;
.
l~)9S7150 state, and Fig. 5 shows a second embodiment of the invention in the tensioned state.
In a first embodiment of the invention a frame 3, for a device according to the invention, is placed on one side of a vehicle (not shown).
Inside the frame 3 a bellows 1 is disposed with one end attached to the frame 3 and the other end connected via a joint 6 with the central point of a balance arm 2. One end of the bellows 1 i6 guided by a guide pin 7, appropriately running through a hole 8 in the frame 3 in order largely to retain its transverse position when the bellows 1 i9 expanded.
Expansion of the bellows 1 is appropriately provided for through the vehicle's compressed air system (not shown on the drawlngs) but can also be arranged by suitable hydraulic means.
In each end section of the balance arm 2, tensioning arms 4 and 5 respectively are pivotably disposed at a distance from their respective ends on either side of the bellows 1. One end of each tensioning arm 4 and 5 respectively is pivotably attached to the frame 3, the other end being arranged for connection to a chain, rope or the like (generically referred to herein as an anchor line) which largely circumscribes the load on the vehicle.
Each tensioning arm 4 and 5 respectively cooperates with an appurtenant reverse catch 9 and 10 respectively which prevents the tensioning arm from moving back if the bellows 1 should lose its feed.
The reverse catches 9 and 10 can be released with the aid of the moving piston of an air cylinder 11 (not shown on the drawing in connection with arm 4).
The stroke of the tensioning arms 4 and 5 has been chosen at about 50 cm.
5'780 Shown in Fig. l is the first embodiment with a slightly expanded bellows and in Fig. 2 the same embodiment viewed from the side. Figs. 3 and 4 respectively show positions corresponding to those shown in Figs.
1 and 2 but offset 90 in relation to the viewing direction according to Fig. 2 and tensioned.
Shown in Fig. 5 is a second embodiment wherein the expansion of a bellows l tensions four chains or the like individually.
In this embodiment the end of the bellows which is stationary according to Figs. 1, 2, 3 and 4 is executed as a movable end guided by a guide pin 7~ and a hole 8~ and i6 pivotably connected to an additional balance arm 2' which in turn i6 pivotably connected at its respective ends to two additional tensionlng arms 4l and 5~ which are attached to the frame 3 in the same manner as the tensioning arms 4 and 5 and whose free ends are loosenably connectable to two additional chains or the like.
These additional tensioning arms 4' and 5' are also fitted with reverse catches (not shown) to individually lock each tensioning arm in ~he event of loss of feed to the bellows 1.
The present invention is also applicable to the device shown in Swedish patent No. 305,415 and in~tead of a bellows use may naturally be made of other equivalent ~acking devices, for instance, a screw driven by an electric motor.
Claims (7)
- THE EMBODIMENTS OF THE INVENTION IN WHICH AN EXCLUSIVE
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
l. A device for securing a load on a load-carrying vehicle comprising:
a frame attached to said load-carrying vehicle;
expansion means mounted to said frame, said expansion means having at least one expansion member which is movable relative to said frame;
a plurality of tensioning arms, said tensioning arms each having first and second ends, each of said plurality of tensioning arms being hingedly mounted to said frame substantially near said first ends of said plurality of tensioning arms;
a plurality of elongated connecting means, each of said elongated con-necting means having a terminal end and a free end, each of said terminal ends of said plurality of elongated connecting means being attached to a respective one of said plurality of tensioning arms substantially near said second ends of said plurality of tensioning arms;
at least one balance arm having a central portion and first and second end portions, said central portion being pivotally connected to said at least one expansion member of said expansion means, said first and second end portions of said balance arm each being coupled to a respective one of said plurality of tensioning arms;
whereby after passing said plurality of elongated connecting means over a load on said load-carrying vehicle and securing said free ends of said elongated connecting means to said load carrying vehicle, said expansion means is expanded, thereby displacing said at least one balance arm and said plurality of tensioning arms relative to said frame to draw said plurality of elongated connecting means taut and to secure said load to said load-carrying vehicle. - 2. The device of claim 1, wherein said expansion means has first and second ends, one of said first and second ends of said expansion means comprising said expansion member and being movable relative to said frame, and the other end of said expansion means being stationarily fixed to said frame.
- 3. The device of claim 1 wherein said expansion means has first and second ends, one of which comprises said expansion member, both of said ends thereof being movable relative to said frame.
- 4. The device of claim 1, 2 or 3 wherein said expansion means comprises a bellows.
- 5. The device of claim 1 wherein said expansion means has first and second expansion members, both of which are movable relative to said frame said central portion of said balance arm being pivotally connected to said first movable expansion member, further comprising:
a second plurality of tension arms having first and second ends, each of said second plurality of tensioning arms being hingedly mounted to said frame substantially near said first ends of said second plurality of tensioning arms;
a second balance arm having a central portion and first and second ends, said central portion of said second balance arm being pivotally connected to said second movable expansion member of said expansion means, said first and second end portions of said second balance arm each being coupled to a respective one of said second plurality of tensioning arms; and a second plurality of elongated connecting means, each of said second plurality of elongated connecting means having a terminal end and a free end, each of said terminal ends of said second plurality of elongated connecting means being attached to a respective one of said second plurality of tension-ing arms substantially near said second ends of said second plurality of tensioning arms;
at least one of said balance arms being displaced upon expansion of said expansion means. - 6. The device of claim 5 wherein said expansion means comprises a bellows.
- 7. The device of claim 5 or 6 wherein said first and second ends of said expansion means are oppositely displaceable relative to said frame.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7705404A SE400232B (en) | 1977-05-10 | 1977-05-10 | DEVICE FOR TIGHTENING FIXED LOADS ON LOAD VEHICLES |
| SE7705404-7 | 1977-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1095780A true CA1095780A (en) | 1981-02-17 |
Family
ID=20331273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA302,823A Expired CA1095780A (en) | 1977-05-10 | 1978-05-08 | Device for securing a load on a vehicle |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4190262A (en) |
| CA (1) | CA1095780A (en) |
| DE (1) | DE2820222A1 (en) |
| SE (1) | SE400232B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5593260A (en) * | 1995-03-20 | 1997-01-14 | Zimmerman; Casey | Apparatus for securing a vehicle to a trailer |
| ES2338849B8 (en) * | 2008-09-30 | 2011-08-01 | Airbus Operations, S.L. | CATCH SAFETY DEVICE FOR AN ACTUATOR. |
| ES2338087B8 (en) * | 2008-10-31 | 2011-08-01 | Airbus Operations, S.L. | CATCH SAFETY DEVICE FOR TWO ACTUATORS. |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1245607A (en) * | 1917-06-23 | 1917-11-06 | Julia M Parker | Load-binding device. |
| US4011974A (en) * | 1975-06-06 | 1977-03-15 | Dominick Frank Scarola | Vehicle cargo strap |
-
1977
- 1977-05-10 SE SE7705404A patent/SE400232B/en unknown
-
1978
- 1978-05-03 US US05/902,425 patent/US4190262A/en not_active Expired - Lifetime
- 1978-05-08 CA CA302,823A patent/CA1095780A/en not_active Expired
- 1978-05-09 DE DE19782820222 patent/DE2820222A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| SE400232B (en) | 1978-03-20 |
| US4190262A (en) | 1980-02-26 |
| DE2820222A1 (en) | 1978-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |